{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-63835","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-07-19T07:54:57.015Z","datePublished":"2026-07-19T12:02:26.574Z","dateUpdated":"2026-08-17T04:51:45.552Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-17T04:51:45.552Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: v: prevent OGM aggregation on disabled hardif\n\nWhen an interface gets disabled, the worker is correctly disabled by\nbatadv_hardif_disable_interface() -> ... -> batadv_v_ogm_iface_disable().\nIn this process, the skb aggr_list is also freed.\n\nBut batadv_v_ogm_send_meshif() can still queue new skbs (via\nbatadv_v_ogm_queue_on_if()) to the aggr_list. This will only stop after all\ncores can no longer find the RCU protected list of hard interfaces. These\nqueued skbs will never be freed or consumed by batadv_v_ogm_aggr_work.\n\nThe batadv_v_ogm_iface_disable() function must block\nbatadv_v_ogm_queue_on_if() to avoid leak of skbs."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/batman-adv/bat_v.c","net/batman-adv/bat_v_ogm.c","net/batman-adv/types.h"],"versions":[{"version":"f89255a02f1d75d8e1b9d1c31435fcb64840cb2a","lessThan":"d462ced79dd430200cf888984e8005da77fc810b","status":"affected","versionType":"git"},{"version":"f89255a02f1d75d8e1b9d1c31435fcb64840cb2a","lessThan":"f79deaaf822ab0ee2424cf28781f9ab91576bea3","status":"affected","versionType":"git"},{"version":"f89255a02f1d75d8e1b9d1c31435fcb64840cb2a","lessThan":"d3569327fc7395b2b0461a0a0cb77a0bb74786c0","status":"affected","versionType":"git"},{"version":"f89255a02f1d75d8e1b9d1c31435fcb64840cb2a","lessThan":"97644fdaaf6446ffbe182c5eb804fceb5b1a51b7","status":"affected","versionType":"git"},{"version":"f89255a02f1d75d8e1b9d1c31435fcb64840cb2a","lessThan":"f04dde74399431fb07abbdd9cd5d0ed624771d04","status":"affected","versionType":"git"},{"version":"f89255a02f1d75d8e1b9d1c31435fcb64840cb2a","lessThan":"3d4548c96d6f21ac1a9b06c5f82f3ef439c87023","status":"affected","versionType":"git"},{"version":"f89255a02f1d75d8e1b9d1c31435fcb64840cb2a","lessThan":"86ab6b6fb5b82163bf6c45780bb72150021d7349","status":"affected","versionType":"git"},{"version":"f89255a02f1d75d8e1b9d1c31435fcb64840cb2a","lessThan":"d11c00b95b2a3b3934007fc003dccc6fdcc061ad","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/batman-adv/bat_v.c","net/batman-adv/bat_v_ogm.c","net/batman-adv/types.h"],"versions":[{"version":"5.4","status":"affected"},{"version":"0","lessThan":"5.4","status":"unaffected","versionType":"semver"},{"version":"5.10.260","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.211","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.177","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.144","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.95","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.38","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.3","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.10.260"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.15.211"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.1.177"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.6.144"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.12.95"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.18.38"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"7.1.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/d462ced79dd430200cf888984e8005da77fc810b"},{"url":"https://git.kernel.org/stable/c/f79deaaf822ab0ee2424cf28781f9ab91576bea3"},{"url":"https://git.kernel.org/stable/c/d3569327fc7395b2b0461a0a0cb77a0bb74786c0"},{"url":"https://git.kernel.org/stable/c/97644fdaaf6446ffbe182c5eb804fceb5b1a51b7"},{"url":"https://git.kernel.org/stable/c/f04dde74399431fb07abbdd9cd5d0ed624771d04"},{"url":"https://git.kernel.org/stable/c/3d4548c96d6f21ac1a9b06c5f82f3ef439c87023"},{"url":"https://git.kernel.org/stable/c/86ab6b6fb5b82163bf6c45780bb72150021d7349"},{"url":"https://git.kernel.org/stable/c/d11c00b95b2a3b3934007fc003dccc6fdcc061ad"}],"title":"batman-adv: v: prevent OGM aggregation on disabled hardif","x_generator":{"engine":"bippy-1.2.0"}}}}